42553422 has 12 divisors (see below), whose sum is σ = 92199120. Its totient is φ = 14184468.

The previous prime is 42553409. The next prime is 42553451. The reversal of 42553422 is 22435524.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1182022 + ... + 1182057.

It is an arithmetic number, because the mean of its divisors is an integer number (7683260).

Almost surely, 2^42553422 is an apocalyptic number.

42553422 is an abundant number, since it is smaller than the sum of its proper divisors (49645698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42553422 is a wasteful number, since it uses less digits than its factorization.

42553422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364087 (or 2364084 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 42553422 is about 6523.2983988164. The cubic root of 42553422 is about 349.1227609505.

Adding to 42553422 its reverse (22435524), we get a palindrome (64988946).

The spelling of 42553422 in words is "forty-two million, five hundred fifty-three thousand, four hundred twenty-two".